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                开灯                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：128MB</p>			</div>
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                                <h3>题目描述</h3><p><p class="p0" style="margin-top: 0pt; margin-bottom: 0pt; text-indent: 36pt"><span style="font-size: medium"><span style="font-family: '宋体'; mso-spacerun: 'yes'">xx<font face="宋体">作为信息学界的大神，拥有众多的粉丝。为了感谢众粉丝的爱戴，</font><font face="Times New Roman">xx</font><font face="宋体">决定举办一场晚会。为了气派，</font><font face="Times New Roman">xx</font><font face="宋体">租了一个巨大的灯屏，这个灯屏有</font><font face="Times New Roman">m</font><font face="宋体">行，每行有</font><font face="Times New Roman">n</font><font face="宋体">个小灯泡。对于每一行灯，有</font><font face="Times New Roman">L</font><font face="宋体">种操作方法，</font></span><span style="font-family: '宋体'; mso-spacerun: 'yes'">第i种表示你能将任意长度恰为Ai的连续一段灯泡的状态取反（灭变亮，亮变灭）。</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">现</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">对于每一行</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">给定K个点，要求这K个点发光，其余点必须保持熄灭状态</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">。求每一行达到目标状态的最小操作数。</span></span><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></span><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<!--EndFragment--></p><hr/><h3>输入格式</h3><p><p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">第一行一个数m，表示LED屏的行数。</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">对于LED屏的每一行：</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">第一行为n,k,</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">L</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">，意义见上。</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">第二行为k个数，表示要求发光的k个点。</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">第三行为</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">L</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">个数，表示</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">L</span><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">种操作方式。</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></span><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></p><hr/><h3>输出格式</h3><p><p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '微软雅黑'; mso-spacerun: 'yes'">对于LED屏的每一行：如果无法达到目标状态，输出-1，否则输出最少次数。</span></span><span style="font-size: 10.5pt; font-family: '微软雅黑'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-size: medium"><span style="font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></span><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></p><hr/><h3>样例输入</h3><pre>2
10 8 2
1 2 3 5 6 7 8 9
3 5
3 2 1
1 2
3

 

</pre><hr/><h3>样例输出</h3><pre>
2
-1


 
</pre><hr/><h3>提示</h3><p><p><br />
对于100%的数据，T&le;10，N&le;10000，K&le;10,L&le;100,1&le;A_i&le;N。<br />
</p></p><hr/><h3>题目来源</h3><p>By zjwst960422</p>
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